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CISCO 課程 >> 課程介紹

Securing Email with Cisco Email Security Appliance
註冊課程
使用Cisco Email Security Appliance保護電子郵件
課程代碼
SESA
課程天數
3 天​
​課程概要
本課程向您展示如何部署和使用 Cisco® Email Security Appliance 為電子郵件系統建立保護機制,以防止網絡釣魚、企業電子郵件洩露和勒索軟件,並幫助簡化電子郵件安全策略管理。課程包含實作練習,您將取得實施故障排除和管理 Cisco Email Security Appliance 的知識和技能,包括高級惡意軟件防護、垃圾郵件攔截、防病毒保護、outbreak filtering、加密、隔離和數據丟失防範等關鍵功能。

本課程可幫助您準備 Securing Email with Cisco Email Security Appliance (300-720 SESA) 考試,從而獲得 CCNP® Security and the Certified Specialist - Email Content Security 認證。
學習目標和取得技能
完成本課程後,您將能夠:
  • Deploy high-availability email protection against the dynamic, rapidly changing threats affecting your organization
  • Gain leading-edge career skills focused on enterprise security
教學方式
CISCO認證講師指導
教材與實驗
CISCO原廠教材
課程適合對象
  • Security engineers
  • Security administrators
  • Security architects
  • Operations engineers
  • Network engineers
  • Network administrators
  • Network or security technicians
  • Network managers
  • System designers
  • Cisco integrators and partners
前備知識
建議學生需曾研習以下課程或具備以下認證之同等知識和技能:
  • Cisco certification (Cisco CCENT® certification or higher)
  • Relevant industry certification, such as (ISC)2, CompTIA Security+, EC-Council, Global Information Assurance Certification (GIAC), and ISACA
  • Cisco Networking Academy letter of completion (CCNA® 1 and CCNA 2)
  • Windows expertise: Microsoft [Microsoft Specialist, Microsoft Certified Solutions Associate (MCSA), Microsoft Certified Systems Engineer (MCSE)], CompTIA (A+, Network+, Server+)
建議學員具備以下知識和技能:
  • TCP/IP services, including Domain Name System (DNS), Secure Shell (SSH), FTP, Simple Network Management Protocol (SNMP), HTTP, and HTTPS
  • Experience with IP routing
課程大綱
  • Describing the Cisco Email Security Appliance
    • Cisco Email Security Appliance Overview
    • Technology Use Case
    • Cisco Email Security Appliance Data Sheet
    • SMTP Overview
    • Email Pipeline Overview
    • Installation Scenarios
    • Initial Cisco Email Security Appliance Configuration
    • Centralizing Services on a Cisco Content Security Management Appliance (SMA)
    • Release Notes for AsyncOS 11.x
  • Administering the Cisco Email Security Appliance
    • Distributing Administrative Tasks
    • System Administration
    • Managing and Monitoring Using the Command Line Interface (CLI)
    • Other Tasks in the GUI
    • Advanced Network Configuration
    • Using Email Security Monitor
    • Tracking Messages
    • Logging
  • Controlling Sender and Recipient Domains
    • Public and Private Listeners
    • Configuring the Gateway to Receive Email
    • Host Access Table Overview
    • Recipient Access Table Overview
    • Configuring Routing and Delivery Features
  • Controlling Spam with Talos SenderBase and Anti-Spam
    • SenderBase Overview
    • Anti-Spam
    • Managing Graymail
    • Protecting Against Malicious or Undesirable URLs
    • File Reputation Filtering and File Analysis
    • Bounce Verification
  • Using Anti-Virus and Outbreak Filters
    • Anti-Virus Scanning Overview
    • Sophos Anti-Virus Filtering
    • McAfee Anti-Virus Filtering
    • Configuring the Appliance to Scan for Viruses
    • Outbreak Filters
    • How the Outbreak Filters Feature Works
    • Managing Outbreak Filters
  • Using Mail Policies
    • Email Security Manager Overview
    • Mail Policies Overview
    • Handling Incoming and Outgoing Messages Differently
    • Matching Users to a Mail Policy
    • Message Splintering
    • Configuring Mail Policies
  • Using Content Filters
    • Content Filters Overview
    • Content Filter Conditions
    • Content Filter Actions
    • Filter Messages Based on Content
    • Text Resources Overview
    • Using and Testing the Content Dictionaries Filter Rules
    • Understanding Text Resources
    • Text Resource Management
    • Using Text Resources
  • Using Message Filters to Enforce Email Policies
    • Message Filters Overview
    • Components of a Message Filter
    • Message Filter Processing
    • Message Filter Rules
    • Message Filter Actions
    • Attachment Scanning
    • Examples of Attachment Scanning Message Filters
    • Using the CLI to Manage Message Filters
    • Message Filter Examples
    • Configuring Scan Behavior
  • Preventing Data Loss
    • Overview of the Data Loss Prevention (DLP) Scanning Process
    • Setting Up Data Loss Prevention
    • Policies for Data Loss Prevention
    • Message Actions
    • Updating the DLP Engine and Content Matching Classifiers
  • Using LDAP
    • Overview of LDAP
    • Working with LDAP
    • Using LDAP Queries
    • Authenticating End-Users of the Spam Quarantine
    • Configuring External LDAP Authentication for Users
    • Testing Servers and Queries
    • Using LDAP for Directory Harvest Attack Prevention
    • Spam Quarantine Alias Consolidation Queries
    • Validating Recipients Using an SMTP Server
  • SMTP Session Authentication
    • Configuring AsyncOS for SMTP Authentication
    • Authenticating SMTP Sessions Using Client Certificates
    • Checking the Validity of a Client Certificate
    • Authenticating User Using LDAP Directory
    • Authenticating SMTP Connection Over Transport Layer Security (TLS) Using a Client Certificate
    • Establishing a TLS Connection from the Appliance
    • Updating a List of Revoked Certificates
  • Email Authentication
    • Email Authentication Overview
    • Configuring DomainKeys and DomainKeys Identified Mail (DKIM) Signing
    • Verifying Incoming Messages Using DKIM
    • Overview of Sender Policy Framework (SPF) and SIDF Verification
    • Domain-based Message Authentication Reporting and Conformance (DMARC) Verification
    • Forged Email Detection
  • Email Encryption
    • Overview of Cisco Email Encryption
    • Encrypting Messages
    • Determining Which Messages to Encrypt
    • Inserting Encryption Headers into Messages
    • Encrypting Communication with Other Message Transfer Agents (MTAs)
    • Working with Certificates
    • Managing Lists of Certificate Authorities
    • Enabling TLS on a Listener’s Host Access Table (HAT)
    • Enabling TLS and Certificate Verification on Delivery
    • Secure/Multipurpose Internet Mail Extensions (S/MIME) Security Services
  • Using System Quarantines and Delivery Methods
    • Describing Quarantines
    • Spam Quarantine
    • Setting Up the Centralized Spam Quarantine
    • Using Safelists and Blocklists to Control Email Delivery Based on Sender
    • Configuring Spam Management Features for End Users
    • Managing Messages in the Spam Quarantine
    • Policy, Virus, and Outbreak Quarantines
    • Managing Policy, Virus, and Outbreak Quarantines
    • Working with Messages in Policy, Virus, or Outbreak Quarantines
    • Delivery Methods
  • Centralized Management Using Clusters
    • Overview of Centralized Management Using Clusters
    • Cluster Organization
    • Creating and Joining a Cluster
    • Managing Clusters
    • Cluster Communication
    • Loading a Configuration in Clustered Appliances
    • Best Practices
  • Testing and Troubleshooting
    • Debugging Mail Flow Using Test Messages: Trace
    • Using the Listener to Test the Appliance
    • Troubleshooting the Network
    • Troubleshooting the Listener
    • Troubleshooting Email Delivery
    • Troubleshooting Performance
    • Web Interface Appearance and Rendering Issues
    • Responding to Alerts
    • Troubleshooting Hardware Issues
    • Working with Technical Support
  • References
    • Model Specifications for Large Enterprises
    • Model Specifications for Midsize Enterprises and Small-to-Midsize Enterprises or Branch Offices
    • Cisco Email Security Appliance Model Specifications for Virtual Appliances
    • Packages and Licenses

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